Photoelectric EffectHard

Question

A B C
t = 0    N0        0          0
t    N1        N2          N3
The ratio of N1 to N2 when N2 is maximum is : 

Options

A.at no time this is possible
B.2
C.1/2
D.

Solution

= λN1 − 2λN2
for N2 to be maximum,
= 0    ⇒    λN1 = 2λN2   or  = 2

Create a free account to view solution

View Solution Free
Topic: Photoelectric Effect·Practice all Photoelectric Effect questions

More Photoelectric Effect Questions

The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitte...When light is incident on surface, photo electrons are emitted. For photoelectrons :...Which experiment explains the wave nature of electron :-...The stopping potential as a function of frequency of incident radiation is plotted for two different surfaces A and B. T...A sample of radioactive material has mass m, decay constant λ, and molecular weight M. Avogadro constant = NA. The ...